Model: 4959

Electrical Frequency Meter

Properties:

Mounting Hole Diameter
0.154 inches
Overall Diameter
3.500 inches
Mounting Bolt Circle Diameter
3.060 inches
Installation Design
Panel
Register Quantity
2
Mounting Arrangement Style
Three hole/stud bolt circle
Resonant Reed Quantity
10
Meter Depth Behind Mounting Flange
3.062 inches
Meter Body Diameter Behind Mounting Flange
2.875 inches
Movement Type
Vibrating reed
Mounting Facility Type And Quantity
3 unthreaded hole
Measurement Range
+48.0/+52.0 hertz single indicator 1st range
Measurement Range
+58.0/+62.0 hertz single indicator 2nd range
Circuit Attachment Method And Quantity
2 threaded stud
Style Designator
Round flush mtg
NSN
6625-00-669-0739
Part Number
4959
Description
Meter,electrical Frequency
CAGE
07239

An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.

Part 4959 NSN 6625-00-669-0739

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16454
FIIG:
A310A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
136740
UFC:
68820
LTL:
100.0
LCL:
100.0
WCC:
657
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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